Import Upstream version 2.72.4

gio/gportalsupport.c

@@ -0,0 +1,101 @@
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright 2016 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "gportalsupport.h"
+
+static gboolean use_portal;
+static gboolean network_available;
+static gboolean dconf_access;
+
+static void
+read_flatpak_info (void)
+{
+  static gsize flatpak_info_read = 0;
+  const gchar *path = "/.flatpak-info";
+
+  if (!g_once_init_enter (&flatpak_info_read))
+    return;
+
+  if (g_file_test (path, G_FILE_TEST_EXISTS))
+    {
+      GKeyFile *keyfile;
+
+      use_portal = TRUE;
+      network_available = FALSE;
+      dconf_access = FALSE;
+
+      keyfile = g_key_file_new ();
+      if (g_key_file_load_from_file (keyfile, path, G_KEY_FILE_NONE, NULL))
+        {
+          char **shared = NULL;
+          char *dconf_policy = NULL;
+
+          shared = g_key_file_get_string_list (keyfile, "Context", "shared", NULL, NULL);
+          if (shared)
+            {
+              network_available = g_strv_contains ((const char * const *)shared, "network");
+              g_strfreev (shared);
+            }
+
+          dconf_policy = g_key_file_get_string (keyfile, "Session Bus Policy", "ca.desrt.dconf", NULL);
+          if (dconf_policy)
+            {
+              if (strcmp (dconf_policy, "talk") == 0)
+                dconf_access = TRUE;
+              g_free (dconf_policy);
+            }
+        }
+
+      g_key_file_unref (keyfile);
+    }
+  else
+    {
+      const char *var;
+
+      var = g_getenv ("GTK_USE_PORTAL");
+      if (var && var[0] == '1')
+        use_portal = TRUE;
+      network_available = TRUE;
+      dconf_access = TRUE;
+    }
+
+  g_once_init_leave (&flatpak_info_read, 1);
+}
+
+gboolean
+glib_should_use_portal (void)
+{
+  read_flatpak_info ();
+  return use_portal;
+}
+
+gboolean
+glib_network_available_in_sandbox (void)
+{
+  read_flatpak_info ();
+  return network_available;
+}
+
+gboolean
+glib_has_dconf_access_in_sandbox (void)
+{
+  read_flatpak_info ();
+  return dconf_access;
+}